63988876 has 12 divisors (see below), whose sum is σ = 127977808. Its totient is φ = 27423792.

The previous prime is 63988871. The next prime is 63988879. The reversal of 63988876 is 67888936.

63988876 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63988871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142631 + ... + 1142686.

Almost surely, 2^63988876 is an apocalyptic number.

It is an amenable number.

63988876 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63988876 is a wasteful number, since it uses less digits than its factorization.

63988876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285328 (or 2285326 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 63988876 is about 7999.3047197866. The cubic root of 63988876 is about 399.9768236572.

The spelling of 63988876 in words is "sixty-three million, nine hundred eighty-eight thousand, eight hundred seventy-six".